18005084 has 12 divisors (see below), whose sum is σ = 33167400. Its totient is φ = 8528688.

The previous prime is 18005047. The next prime is 18005101. The reversal of 18005084 is 48050081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118379 + ... + 118530.

It is an arithmetic number, because the mean of its divisors is an integer number (2763950).

Almost surely, 2^18005084 is an apocalyptic number.

It is an amenable number.

18005084 is a deficient number, since it is larger than the sum of its proper divisors (15162316).

18005084 is a wasteful number, since it uses less digits than its factorization.

18005084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236932 (or 236930 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 18005084 is about 4243.2397999642. The cubic root of 18005084 is about 262.0988108932.

The spelling of 18005084 in words is "eighteen million, five thousand, eighty-four".